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Finding the Fourth Proportional to 120,733.54, 166,594.53 and 67,018.98

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Solution

The fourth proportional to 120,733.54, 166,594.53 and 67,018.98 is: 92,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,733.54 : 166,594.53 = 67,018.98 : x
  2. Step 2: Convert to fraction form
    120,733.54/166,594.53 = 67,018.98/x
  3. Step 3: Cross multiply
    120,733.54x = 166,594.53 × 67,018.98
  4. Step 4: Simplify right side
    120,733.54x = 11,164,995,474.18
  5. Step 5: Solve for x
    x = 11,164,995,474.18/120,733.54
  6. Step 6: Final answer
    x = 92,476.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.